StagefrightRecorder.h revision b33f3407bab0970a7f9241680723a1140b177c50 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef STAGEFRIGHT_RECORDER_H_
18
19#define STAGEFRIGHT_RECORDER_H_
20
21#include <media/MediaRecorderBase.h>
22#include <camera/CameraParameters.h>
23#include <utils/String8.h>
24
25#include <system/audio.h>
26
27namespace android {
28
29class Camera;
30class ICameraRecordingProxy;
31class CameraSource;
32class CameraSourceTimeLapse;
33class MediaSourceSplitter;
34struct MediaSource;
35struct MediaWriter;
36class MetaData;
37struct AudioSource;
38class MediaProfiles;
39class ISurfaceTexture;
40class SurfaceMediaSource;
41
42struct StagefrightRecorder : public MediaRecorderBase {
43    StagefrightRecorder();
44    virtual ~StagefrightRecorder();
45
46    virtual status_t init();
47    virtual status_t setAudioSource(audio_source_t as);
48    virtual status_t setVideoSource(video_source vs);
49    virtual status_t setOutputFormat(output_format of);
50    virtual status_t setAudioEncoder(audio_encoder ae);
51    virtual status_t setVideoEncoder(video_encoder ve);
52    virtual status_t setVideoSize(int width, int height);
53    virtual status_t setVideoFrameRate(int frames_per_second);
54    virtual status_t setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
55    virtual status_t setPreviewSurface(const sp<Surface>& surface);
56    virtual status_t setOutputFile(const char *path);
57    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
58    virtual status_t setOutputFileAuxiliary(int fd);
59    virtual status_t setParameters(const String8& params);
60    virtual status_t setListener(const sp<IMediaRecorderClient>& listener);
61    virtual status_t prepare();
62    virtual status_t start();
63    virtual status_t pause();
64    virtual status_t stop();
65    virtual status_t close();
66    virtual status_t reset();
67    virtual status_t getMaxAmplitude(int *max);
68    virtual status_t dump(int fd, const Vector<String16>& args) const;
69    // Querying a SurfaceMediaSourcer
70    virtual sp<ISurfaceTexture> querySurfaceMediaSource() const;
71
72private:
73    sp<ICamera> mCamera;
74    sp<ICameraRecordingProxy> mCameraProxy;
75    sp<Surface> mPreviewSurface;
76    sp<IMediaRecorderClient> mListener;
77    sp<MediaWriter> mWriter, mWriterAux;
78    int mOutputFd, mOutputFdAux;
79    sp<AudioSource> mAudioSourceNode;
80
81    audio_source_t mAudioSource;
82    video_source mVideoSource;
83    output_format mOutputFormat;
84    audio_encoder mAudioEncoder;
85    video_encoder mVideoEncoder;
86    bool mUse64BitFileOffset;
87    int32_t mVideoWidth, mVideoHeight;
88    int32_t mAuxVideoWidth, mAuxVideoHeight;
89    int32_t mFrameRate;
90    int32_t mVideoBitRate, mAuxVideoBitRate;
91    int32_t mAudioBitRate;
92    int32_t mAudioChannels;
93    int32_t mSampleRate;
94    int32_t mInterleaveDurationUs;
95    int32_t mIFramesIntervalSec;
96    int32_t mCameraId;
97    int32_t mVideoEncoderProfile;
98    int32_t mVideoEncoderLevel;
99    int32_t mMovieTimeScale;
100    int32_t mVideoTimeScale;
101    int32_t mAudioTimeScale;
102    int64_t mMaxFileSizeBytes;
103    int64_t mMaxFileDurationUs;
104    int64_t mTrackEveryTimeDurationUs;
105    int32_t mRotationDegrees;  // Clockwise
106    int32_t mLatitudex10000;
107    int32_t mLongitudex10000;
108    int32_t mStartTimeOffsetMs;
109
110    bool mCaptureTimeLapse;
111    int64_t mTimeBetweenTimeLapseFrameCaptureUs;
112    bool mCaptureAuxVideo;
113    sp<MediaSourceSplitter> mCameraSourceSplitter;
114    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
115
116
117    String8 mParams;
118
119    bool mIsMetaDataStoredInVideoBuffers;
120    MediaProfiles *mEncoderProfiles;
121
122    bool mStarted;
123    // Needed when GLFrames are encoded.
124    // An <ISurfaceTexture> pointer
125    // will be sent to the client side using which the
126    // frame buffers will be queued and dequeued
127    sp<SurfaceMediaSource> mSurfaceMediaSource;
128
129    status_t setupMPEG4Recording(
130        bool useSplitCameraSource,
131        int outputFd,
132        int32_t videoWidth, int32_t videoHeight,
133        int32_t videoBitRate,
134        int32_t *totalBitRate,
135        sp<MediaWriter> *mediaWriter);
136    void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
137        sp<MetaData> *meta);
138    status_t startMPEG4Recording();
139    status_t startAMRRecording();
140    status_t startAACRecording();
141    status_t startRawAudioRecording();
142    status_t startRTPRecording();
143    status_t startMPEG2TSRecording();
144    sp<MediaSource> createAudioSource();
145    status_t checkVideoEncoderCapabilities();
146    status_t checkAudioEncoderCapabilities();
147    // Generic MediaSource set-up. Returns the appropriate
148    // source (CameraSource or SurfaceMediaSource)
149    // depending on the videosource type
150    status_t setupMediaSource(sp<MediaSource> *mediaSource);
151    status_t setupCameraSource(sp<CameraSource> *cameraSource);
152    // setup the surfacemediasource for the encoder
153    status_t setupSurfaceMediaSource();
154
155    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
156    status_t setupVideoEncoder(
157            sp<MediaSource> cameraSource,
158            int32_t videoBitRate,
159            sp<MediaSource> *source);
160
161    // Encoding parameter handling utilities
162    status_t setParameter(const String8 &key, const String8 &value);
163    status_t setParamAudioEncodingBitRate(int32_t bitRate);
164    status_t setParamAudioNumberOfChannels(int32_t channles);
165    status_t setParamAudioSamplingRate(int32_t sampleRate);
166    status_t setParamAudioTimeScale(int32_t timeScale);
167    status_t setParamTimeLapseEnable(int32_t timeLapseEnable);
168    status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs);
169    status_t setParamAuxVideoHeight(int32_t height);
170    status_t setParamAuxVideoWidth(int32_t width);
171    status_t setParamAuxVideoEncodingBitRate(int32_t bitRate);
172    status_t setParamVideoEncodingBitRate(int32_t bitRate);
173    status_t setParamVideoIFramesInterval(int32_t seconds);
174    status_t setParamVideoEncoderProfile(int32_t profile);
175    status_t setParamVideoEncoderLevel(int32_t level);
176    status_t setParamVideoCameraId(int32_t cameraId);
177    status_t setParamVideoTimeScale(int32_t timeScale);
178    status_t setParamVideoRotation(int32_t degrees);
179    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
180    status_t setParamInterleaveDuration(int32_t durationUs);
181    status_t setParam64BitFileOffset(bool use64BitFileOffset);
182    status_t setParamMaxFileDurationUs(int64_t timeUs);
183    status_t setParamMaxFileSizeBytes(int64_t bytes);
184    status_t setParamMovieTimeScale(int32_t timeScale);
185    status_t setParamGeoDataLongitude(int32_t longitudex10000);
186    status_t setParamGeoDataLatitude(int32_t latitudex10000);
187    void clipVideoBitRate();
188    void clipVideoFrameRate();
189    void clipVideoFrameWidth();
190    void clipVideoFrameHeight();
191    void clipAudioBitRate();
192    void clipAudioSampleRate();
193    void clipNumberOfAudioChannels();
194    void setDefaultProfileIfNecessary();
195
196
197    StagefrightRecorder(const StagefrightRecorder &);
198    StagefrightRecorder &operator=(const StagefrightRecorder &);
199};
200
201}  // namespace android
202
203#endif  // STAGEFRIGHT_RECORDER_H_
204